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RowDeflationSpectrum

gam_solve::arrow_schur

Struct RowDeflationSpectrum 

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pub struct RowDeflationSpectrum {
    pub evecs: Array2<f64>,
    pub raw_evals: Array1<f64>,
    pub cond_evals: Array1<f64>,
}
Expand description

RAW per-row spectral data of a spectrally-deflated undamped evidence H_tt block (see ArrowFactorCache::deflation_row_spectra).

evecs columns are the RAW symmetric eigenvectors uₘ of H_tt (orthonormal; the deflated directions vᵢ are the subset whose eigenvalue was pinned). raw_evals[m] is the RAW eigenvalue λₘ BEFORE the unit-pin / floor-clamp. cond_evals[m] is the conditioned eigenvalue λ̃ₘ the factor actually uses (λ̃ = λ for an unclamped kept direction, the positive floor for a clamped kept direction, 1 for a deflated direction). Together they give the Daleckii–Krein divided differences the outer-gradient deflation correction needs.

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§evecs: Array2<f64>§raw_evals: Array1<f64>§cond_evals: Array1<f64>

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impl Clone for RowDeflationSpectrum

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fn clone(&self) -> RowDeflationSpectrum

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for RowDeflationSpectrum

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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